/Engine/Source/Editor/UMGEditor/Public/Hierarchy/SReadOnlyHierarchyView.h
struct FArguments : public [TSlateBaseNamedArgs< SReadOnlyHierarchyView >](API\Runtime\SlateCore\Widgets\TSlateBaseNamedArgs)
bool
_ExpandAll
ERootSelectionM...
_RootSelectionMode
ESelectionMode:...
_SelectionMode
bool
_ShowSearch